Home / 15,701.13-21,664.50-10,031.52

Finding the Fourth Proportional to 15,701.13, 21,664.50 and 10,031.52

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Solution

The fourth proportional to 15,701.13, 21,664.50 and 10,031.52 is: 13,841.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,701.13 : 21,664.50 = 10,031.52 : x
  2. Step 2: Convert to fraction form
    15,701.13/21,664.50 = 10,031.52/x
  3. Step 3: Cross multiply
    15,701.13x = 21,664.50 × 10,031.52
  4. Step 4: Simplify right side
    15,701.13x = 217,327,865.04
  5. Step 5: Solve for x
    x = 217,327,865.04/15,701.13
  6. Step 6: Final answer
    x = 13,841.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.